WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)

WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)
Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.
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Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.


Product Advantages

● Broad Temperature Range & Extensive Coverage
Chilled water outlet temperature ranges from as low as -45℃ up to 10℃. A complete model lineup with a wide capacity spectrum meets diverse low-temperature application needs precisely.

● Modular Design for Cost Optimization
The modular design concept not only reduces initial investment but also facilitates easier maintenance, significantly enhancing life-cycle cost-effectiveness.

● Intelligent Control & Seamless Connectivity
Features a smart microprocessor-based touch-screen control system with a user-friendly interface for easy operation, providing comprehensive operational data and diagnostic information. Easily integrates with building management systems for remote monitoring and intelligent management.

● High Efficiency & Certified Reliability
Utilizes high-performance screw compressors paired with efficient condensers and evaporators at its core. All units undergo rigorous testing by national inspection systems, complying with Chinese GB standards and CE certification, ensuring both energy efficiency and quality.

● Comprehensive Protection for Safe Operation
Equipped with multiple safety protection devices to ensure all-around operational safety, stability, and peace of mind for users.

● Compact Structure & Elegant Appearance
Scientifically designed with a compact layout and a modern, aesthetically pleasing exterior that integrates easily into various installation environments.

● Durability, Stability & Quiet Operation
Offers stable and reliable performance with low operational noise. Key components are made from high-quality materials, ensuring long service life.

● System Compatibility & Flexible Application
Designed to be used with a cooling tower and compatible with antifreeze fluids, ensuring safe and stable system operation in low-temperature environments.


WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)

Items

WA-WS400-LT

WA-WS439-LT

WA-WS469-LT

WA-WS528-LT

Rated cooling capacity

(-10℃)

400KW

439KW

469KW

528KW

Rated cooling capacity

(-20℃)

270KW

296KW

316KW

356KW

Rated cooling capacity

(-30℃)

194KW

213KW

227KW

256KW

Input power

151KW

167KW

177KW

199KW

Max operating current

453A

498A

534A

620A

Power

3PH 380V 50HZ

Refrigerant

Type

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

Charge amount

158Kg

173Kg

187Kg

216Kg

Control

External Balance Temperature Thermal Expansion Valve

Compressor

Type

Semi-Hermetic Screw

Power

151KW

167KW

177KW

199KW

Start

Y-△

Y-△

Y-△

Y-△

Regulation range

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

Evaporator

Type

Dry-type Shell And Tube (Stainless Steel Plate Evaporator)

Chilled water flow (-10℃)

68.8 m3/h

75.5 m3/h

80.6 m3/h

90.8 m3/h

Chilled water flow (-20℃)

46.4 m3/h

50.9 m3/h

54.3 m3/h

61.2m3/h

Chilled water flow (-30℃)

33.4 m3/h

36.6 m3/h

39m3/h

44m3/h

Water pressure drop

45Kpa

45Kpa

47Kpa

47Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Condenser

Type

Shell and tube

Water pressure drop

138.8m3/h

152.5 m3/h

162.8 m3/h

183.5 m3/h

Water pressure drop

48Kpa

47Kpa

48Kpa

48Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Protection

Security protection

Compressor motor overloading protection, compressor bearing overload protection device, intelligent digital high and low pressure protection device, anti - freezing protection device, protection phase - lack digital protection, exhaust temperature protection, over - temperature protection device, safety valve, water flow switch

Dimension & weight

Length

3600mm

3600mm

3600mm

4500mm

Width

1300mm

1300mm

1300mm

1500mm

Height

1650mm

1650mm

1650mm

1800mm

Machine weight

3450KG

3720KG

3950KG

4260KG

Operating Weight

4100KG

4400KG

4700KG

5100KG


Notes:

1.Operating Range:

● Chilled Water Temperature Difference (Inlet/Outlet): 3°C to 8°C.

● Cooling Water Temperature Range: 18°C to 30°C.

● Cooling Water Temperature Difference (Inlet/Outlet): 3.5°C to 10°C.

2. Units can be customized according to customer requirements.

3. All specifications and dimensions are subject to change without prior notice.

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WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)
更新时间:Jul 25, 2026
WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)
Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.


Product Advantages

● Broad Temperature Range & Extensive Coverage
Chilled water outlet temperature ranges from as low as -45℃ up to 10℃. A complete model lineup with a wide capacity spectrum meets diverse low-temperature application needs precisely.

● Modular Design for Cost Optimization
The modular design concept not only reduces initial investment but also facilitates easier maintenance, significantly enhancing life-cycle cost-effectiveness.

● Intelligent Control & Seamless Connectivity
Features a smart microprocessor-based touch-screen control system with a user-friendly interface for easy operation, providing comprehensive operational data and diagnostic information. Easily integrates with building management systems for remote monitoring and intelligent management.

● High Efficiency & Certified Reliability
Utilizes high-performance screw compressors paired with efficient condensers and evaporators at its core. All units undergo rigorous testing by national inspection systems, complying with Chinese GB standards and CE certification, ensuring both energy efficiency and quality.

● Comprehensive Protection for Safe Operation
Equipped with multiple safety protection devices to ensure all-around operational safety, stability, and peace of mind for users.

● Compact Structure & Elegant Appearance
Scientifically designed with a compact layout and a modern, aesthetically pleasing exterior that integrates easily into various installation environments.

● Durability, Stability & Quiet Operation
Offers stable and reliable performance with low operational noise. Key components are made from high-quality materials, ensuring long service life.

● System Compatibility & Flexible Application
Designed to be used with a cooling tower and compatible with antifreeze fluids, ensuring safe and stable system operation in low-temperature environments.


WA-WS Series Single Head Water-Cooled Screw Low-Temperature Chillers Parameters (400KW~528KW)

Items

WA-WS400-LT

WA-WS439-LT

WA-WS469-LT

WA-WS528-LT

Rated cooling capacity

(-10℃)

400KW

439KW

469KW

528KW

Rated cooling capacity

(-20℃)

270KW

296KW

316KW

356KW

Rated cooling capacity

(-30℃)

194KW

213KW

227KW

256KW

Input power

151KW

167KW

177KW

199KW

Max operating current

453A

498A

534A

620A

Power

3PH 380V 50HZ

Refrigerant

Type

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

Charge amount

158Kg

173Kg

187Kg

216Kg

Control

External Balance Temperature Thermal Expansion Valve

Compressor

Type

Semi-Hermetic Screw

Power

151KW

167KW

177KW

199KW

Start

Y-△

Y-△

Y-△

Y-△

Regulation range

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

Evaporator

Type

Dry-type Shell And Tube (Stainless Steel Plate Evaporator)

Chilled water flow (-10℃)

68.8 m3/h

75.5 m3/h

80.6 m3/h

90.8 m3/h

Chilled water flow (-20℃)

46.4 m3/h

50.9 m3/h

54.3 m3/h

61.2m3/h

Chilled water flow (-30℃)

33.4 m3/h

36.6 m3/h

39m3/h

44m3/h

Water pressure drop

45Kpa

45Kpa

47Kpa

47Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Condenser

Type

Shell and tube

Water pressure drop

138.8m3/h

152.5 m3/h

162.8 m3/h

183.5 m3/h

Water pressure drop

48Kpa

47Kpa

48Kpa

48Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Protection

Security protection

Compressor motor overloading protection, compressor bearing overload protection device, intelligent digital high and low pressure protection device, anti - freezing protection device, protection phase - lack digital protection, exhaust temperature protection, over - temperature protection device, safety valve, water flow switch

Dimension & weight

Length

3600mm

3600mm

3600mm

4500mm

Width

1300mm

1300mm

1300mm

1500mm

Height

1650mm

1650mm

1650mm

1800mm

Machine weight

3450KG

3720KG

3950KG

4260KG

Operating Weight

4100KG

4400KG

4700KG

5100KG


Notes:

1.Operating Range:

● Chilled Water Temperature Difference (Inlet/Outlet): 3°C to 8°C.

● Cooling Water Temperature Range: 18°C to 30°C.

● Cooling Water Temperature Difference (Inlet/Outlet): 3.5°C to 10°C.

2. Units can be customized according to customer requirements.

3. All specifications and dimensions are subject to change without prior notice.

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